How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Ashley 115.95 Blaine 107.05 -3.6
-0.6
Taylor 97.7 Lenny 142.6 +1.1
-0.1
Jimmy 114.9 Allison 122.55 +1.0
Tate 129.4 Sim 103.2 +0.1
+0.1
If winner is:HomeAway
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Blaine vs AllisonIn-1.5
+1.1-0.5
Jimmy vs Lenny-2.4+1.9
Taylor vs Sim-2.7+1.3
+0.1-0.1
Tate vs Ashley+1.0-1.5
-0.0+0.1

What If

Chances based on how well the Blaine finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
93-0In564131,564,367
82-1In122393356,931,614
71-2In031271149,610,280
60-383.3%17661603,970,800
Total:97.0%410141636183022,077,061
Games Above .500
Chance Will Make Playoffs